20217508530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{153407}}^1$

素因数の和:153631

約数の個数: 64

約数和(自身を含む): 50897092608

約数和(自身を除く): 30679584078

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 191, 230, 345, 382, 573, 690, 955, 1146, 1910, 2865, 4393, 5730, 8786, 13179, 21965, 26358, 43930, 65895, 131790, 153407, 306814, 460221, 767035, 920442, 1534070, 2301105, 3528361, 4602210, 7056722, 10585083, 17641805, 21170166, 29300737, 35283610, 52925415, 58601474, 87902211, 105850830, 146503685, 175804422, 293007370, 439511055, 673916951, 879022110, 1347833902, 2021750853, 3369584755, 4043501706, 6739169510, 10108754265, 20217508530]

約数ペア:

[(1, 20217508530), (2, 10108754265), (3, 6739169510), (5, 4043501706), (6, 3369584755), (10, 2021750853), (15, 1347833902), (23, 879022110), (30, 673916951), (46, 439511055), (69, 293007370), (115, 175804422), (138, 146503685), (191, 105850830), (230, 87902211), (345, 58601474), (382, 52925415), (573, 35283610), (690, 29300737), (955, 21170166), (1146, 17641805), (1910, 10585083), (2865, 7056722), (4393, 4602210), (5730, 3528361), (8786, 2301105), (13179, 1534070), (21965, 920442), (26358, 767035), (43930, 460221), (65895, 306814), (131790, 153407)]